SMA Smart Care R21 BT Calling Smart Watch - Feature Listing
Premium silicone strap with hypoallergenic finish ensures all-day comfort and durability. Ultra-slim 1.7-inch HD touchscreen delivers crisp visuals with anti-scratch tempered glass protection. Advanced dual-core processor enables seamless Bluetooth calling and app synchronization. Built-in high-precision optical sensor monitors heart rate, SpO2, and sleep patterns with 24/7 accuracy. Water-resistant up to IP68, ideal for swimming and intense workouts. Supports 100+ sports modes, including running, cycling, and yoga, with real-time activity tracking. Extended 280mAh battery lasts 7+ days on standby, with fast magnetic charging. Customizable watch faces and app alerts for calls, messages, and social media. Perfect for fitness enthusiasts, professionals, and tech-savvy users seeking style and functionality. Bulk orders available at unbeatable wholesale rates—global shipping guaranteed.